Chris Arnold and Robert Smith, reporters for Planet Money, dive into the alarming world of zombie mortgages, revealing the impact of long-forgotten second loans that resurface, threatening unsuspecting homeowners like Karen MacDonough. They discuss the emotional turmoil and legal battles faced by those suddenly confronted with these revived debts. With insights into the housing bubble and Wall Street's role in this unsettling trend, the episode sheds light on the unsettling reality of predatory lending practices and the importance of understanding our financial landscapes.